<template>
    <div>
        <h1>{{id?`编辑`:`新建`}}文章</h1>
        <el-form label-width='120px'>
            <el-form-item label="所属分类"> 
                <el-select v-model="model.categories" placeholder="请选择" multiple>
                  <el-option v-for="item in categories" :key='item._id' :label='item.name' :value='item._id'></el-option>
                </el-select>
            </el-form-item> 
            <el-form-item label="标题"> 
                <el-input v-model="model.title"></el-input>
            </el-form-item>
            <el-form-item label="详情"> 
                 <vue-editor   use-custom-image-handler  @image-added="handleImageAdded" v-model="model.body"></vue-editor>
            </el-form-item>
            <el-form-item>
                <el-button type='primary' @click="save()" native-type='submit'>
                    保存
                </el-button>
            </el-form-item>
        </el-form>
    </div>
</template>

<script>
import { VueEditor } from "vue2-editor";
export default {
    props:{
        id:{}
    },
    components: { VueEditor },
    data(){
        return{
            model:{},
            categories:[]
        }
    },
    methods:{
        async save(){
            let res
            if(this.id){
                res = await this.$http.put(`rest/Articles/${this.id}`,this.model)
            }else{
                res = await this.$http.post('rest/Articles',this.model)
            }
            this.$router.push('/articles/list')
            this.$message({
                type:'success',
                message:'保存成功'
            })
        },
        async fetch(){
            const res = await this.$http.get('rest/Articles/'+this.id)
            this.model = res.data
        },
        async fetchCategories(){
            const res = await this.$http.get('rest/Category')
            this.categories = res.data
        },
        async handleImageAdded(file, Editor, cursorLocation, resetUploader){
            console.log(666);
            var formData = new FormData()
            formData.append("file", file)

            // 变成自己服务器内部照片 
            const res = await this.$http.post('upload',formData)
            Editor.insertEmbed(cursorLocation, "image", res.data.url ) //光标位置
            resetUploader()
             
        }
    },
    created(){
        this.fetchCategories()
        if(this.id){
            this.fetch()
        }
    }
}
</script>